1. Member States shall ensure that the rules on access of authorised or registered payment service providers that are legal persons to payment systems are objective, non-discriminatory and proportionate and that they do not inhibit access more than is necessary to safeguard against specific risks such as settlement risk, operational risk and business risk and to protect the financial and operational stability of the payment system.
Payment systems shall not impose on payment service providers, on payment service users or on other payment systems any of the following requirements:
(a) restrictive rule on effective participation in other payment systems;
(b) rule which discriminates between authorised payment service providers or between registered payment service providers in relation to the rights, obligations and entitlements of participants;
(c) restriction on the basis of institutional status.
2. Paragraph 1 shall not apply to payment systems composed exclusively of payment service
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